.ant-modal-body {
  padding: 0;
  .ant-modal-header {
    background: #fafafa;
  }
}

.modalClass {
  .treeClass {
    float: left;
    width: 160px;
    background: #fafafa;
    overflow: auto;
    height: 600px;
  }
  .tableClass {
    float: left;
    height: 600px;
    flex: 1;
    width: 840px;
    overflow-x: hidden;
  }
}

.modalClass:after {
  clear: both;
  content: '.';
  display: block;
  width: 0;
  height: 0;
  visibility: hidden;
}